Midstream Operations
The Midstream segment primarily includes the operations of MPLX , MPC’s sponsored master limited partnership, which transport, store, distribute and market crude oil and refined products via refining logistics assets, pipelines, terminals, towboats and barges; gather, process and transport natural gas; and gather, transport, fractionate, store and market natural gas liquids
Energy Logistics by MPLX
MPLX is a diversified, large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets and provides fuels distribution services. MPLX’s assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and natural gas liquid processing and fractionation facilities in key U.S. supply basins.

Retail
Marathon brand and ARCO gas stations and Speedway convenience stores are across the U.S. and Northern Mexico so that you can stay fueled and on the road to where you're going.
Refining
We operate the nation's largest refining system with approximately 2.9 million barrels per day of crude oil capacity across 13 refineries.
Industrial Products
We offer a variety of industrial petroleum-based products. From asphalt to petrochemicals, we have everything you need to fuel your business.